201974560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 526780800

約数和(自身を除く): 324806240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 79, 80, 95, 116, 145, 152, 158, 160, 190, 232, 290, 304, 316, 380, 395, 464, 551, 580, 608, 632, 760, 790, 841, 928, 1102, 1160, 1264, 1501, 1520, 1580, 1682, 2204, 2291, 2320, 2528, 2755, 3002, 3040, 3160, 3364, 4205, 4408, 4582, 4640, 5510, 6004, 6320, 6728, 7505, 8410, 8816, 9164, 11020, 11455, 12008, 12640, 13456, 15010, 15979, 16820, 17632, 18328, 22040, 22910, 24016, 26912, 30020, 31958, 33640, 36656, 43529, 44080, 45820, 48032, 60040, 63916, 66439, 67280, 73312, 79895, 87058, 88160, 91640, 120080, 127832, 132878, 134560, 159790, 174116, 183280, 217645, 240160, 255664, 265756, 319580, 332195, 348232, 366560, 435290, 511328, 531512, 639160, 664390, 696464, 870580, 1063024, 1262341, 1278320, 1328780, 1392928, 1741160, 2126048, 2524682, 2556640, 2657560, 3482320, 5049364, 5315120, 6311705, 6964640, 10098728, 10630240, 12623410, 20197456, 25246820, 40394912, 50493640, 100987280, 201974560]

約数ペア:

[(1, 201974560), (2, 100987280), (4, 50493640), (5, 40394912), (8, 25246820), (10, 20197456), (16, 12623410), (19, 10630240), (20, 10098728), (29, 6964640), (32, 6311705), (38, 5315120), (40, 5049364), (58, 3482320), (76, 2657560), (79, 2556640), (80, 2524682), (95, 2126048), (116, 1741160), (145, 1392928), (152, 1328780), (158, 1278320), (160, 1262341), (190, 1063024), (232, 870580), (290, 696464), (304, 664390), (316, 639160), (380, 531512), (395, 511328), (464, 435290), (551, 366560), (580, 348232), (608, 332195), (632, 319580), (760, 265756), (790, 255664), (841, 240160), (928, 217645), (1102, 183280), (1160, 174116), (1264, 159790), (1501, 134560), (1520, 132878), (1580, 127832), (1682, 120080), (2204, 91640), (2291, 88160), (2320, 87058), (2528, 79895), (2755, 73312), (3002, 67280), (3040, 66439), (3160, 63916), (3364, 60040), (4205, 48032), (4408, 45820), (4582, 44080), (4640, 43529), (5510, 36656), (6004, 33640), (6320, 31958), (6728, 30020), (7505, 26912), (8410, 24016), (8816, 22910), (9164, 22040), (11020, 18328), (11455, 17632), (12008, 16820), (12640, 15979), (13456, 15010)]